Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/4875#discussion_r25746891
--- Diff:
streaming/src/test/java/org/apache/spark/streaming/JavaAPISuite.java ---
@@ -160,6 +160,38 @@ public void testWindowWithSlideDuration() {
@SuppressWarnings("unchecked")
@Test
+ public void testWindowWithInitialData()
+ {
+
+ List<JavaRDD<Integer>> initialData = Arrays.asList(
+ ssc.sparkContext().parallelize(Arrays.asList(-3, -2, -1)),
+ ssc.sparkContext().parallelize(Arrays.asList(1, 2, 3)),
+ ssc.sparkContext().parallelize(Arrays.asList(4, 5, 6)));
+
+ List<List<Integer>> inputData = Arrays.asList(
+ Arrays.asList(7, 8, 9),
+ Arrays.asList(10, 11, 12),
+ Arrays.asList(13, 14, 15),
+ Arrays.asList(16, 17, 18),
+ Arrays.asList(19, 20, 21),
+ Arrays.asList(22, 23, 24));
+
+ List<List<Integer>> expected = Arrays.asList(
+ Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12),
+ Arrays.asList(7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18),
+ Arrays.asList(13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24),
+ Arrays.asList(19, 20, 21, 22, 23, 24));
+
+ JavaDStream<Integer> stream = JavaTestUtils.attachTestInputStream(ssc,
inputData, 1);
+ JavaDStream<Integer> windowed = stream.window(new Duration(4000), new
Duration(2000), Optional.of(initialData));
--- End diff --
I think this line is > 100.
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